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文章置顶装饰 Interview experience

In-order traversal of JS algorithm in tree

Posted on 2020-03-17   |   In Interview experience

Algorithm problem

In-order traversal of the tree

Prerequisite knowledge points:
Understanding Data Structure: Tree
Learn what is in-order traversal of a tree

Detailed algorithm

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文章置顶装饰 Interview experience

Tree pre-order traversal of JS algorithm

Posted on 2020-03-17   |   In Interview experience

Algorithm problem

Achieve tree traversal

Prerequisite knowledge points:
Understanding Data Structure: Tree
Learn what a tree traversal is

Detailed algorithm

Read more »
文章置顶装饰 Interview experience

Fibonacci sequence algorithm headline Tencent front face

Posted on 2020-03-17   |   In Interview experience

Algorithm problem

Implement a functional algorithm to calculate the nth number in the Fibonacci sequence?

The Fibonacci sequence is this sequence:
1 1 2 3 5 8 13 21 34 55 89 …
The first and second are both 1
The nth number is the sum of the n-1th number and the n-2th number

The problem is, given n, what is the nth number

Detailed algorithm

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文章置顶装饰 Interview experience

js algorithm effective paired brackets

Posted on 2020-03-15   |   In Interview experience

Algorithm problem

Implement an algorithm to determine if the given parenthesis string is a valid parenthesis pair?

For example, the following are valid parentheses:
‘()’
‘()’
‘[]’
‘(){}[]’
‘(()[])()’
‘’

The following are invalid parenthesis pairs:
‘)(‘
‘}{‘
‘(())’
‘({})][‘

Mainly the paired left and right parentheses can appear in the correct order, then it is a valid pair
We assume that the empty string is also a valid pair of parentheses

Detailed algorithm

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文章置顶装饰 Nginx

nginx expires max-age browser cache

Posted on 2020-03-14   |   In Nginx

Question

How to configure browser cache in nginx expires max-age etc.

Detailed

Open nginx configuration file

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文章置顶装饰 Nginx

nginx gzip compression

Posted on 2020-03-14   |   In Nginx

Question

How to configure gzip deflte compression in nginx?

Detailed

Open nginx configuration file

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文章置顶装饰 Interview experience

JS shallow copy and deep copy algorithms, principles, differences

Posted on 2020-03-14   |   In Interview experience

Algorithm problem

What are deep and shallow copies? How to implement deep copy and shallow copy algorithms?

Algorithm answer

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文章置顶装饰 Personal life of programmers

The Collapse of the American Empire (Norway) by John Galton pdf Free Charity eBook

Posted on 2020-03-13   |   In Personal life of programmers
Tip: This website is non-profit and provides free resources for programming enthusiasts. The website resources are provided by Internet users. If there is any infringement, please contact to delete it!

The reading experience of e-books may not be as good as paper books. Please go to regular channels to buy genuine paper books!

The Collapse of the American Empire (Norway) by John Galton.pdf

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文章置顶装饰 Personal life of programmers

how many ecmo domestic, China

Posted on 2020-03-07   |   In Personal life of programmers

According to data from the Chinese Society for Extracorporeal Life Support, as of December 31, 2018, there were only 260 hospitals in China that could do ECMO, and only 400 of the country ’s ECMOs

During the epidemic, 16 ECMOs were airlifted from Frankfurt to Wuhan

According to network sources:
Guangdong Provincial People’s Hospital has at least 6 ecmo machines

Read more »

文章置顶装饰 Personal life of programmers

ecmo manufacturer company

Posted on 2020-03-07   |   In Personal life of programmers

According to the State Drug Administration, there are currently no registration information for ecmo-related companies in the country, that is, 0 domestic companies that can produce ecmo, but there are some companies that produce or represent ecmo parts. Below we have Take a look:

At present, most of the domestic ecmo come from these three international companies, which are Medtronics, Germany Sorin, and German Maico, and these companies occupy the top three ecmo markets Name, and more than 70% of the market

But we can find ecmo parts companies from the State Drug Administration:

Read more »

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